A：Get changed!
改變一下!
B：What for?
為什么?
注釋：
What for?(為什么?)
= Why?
例：Why are you going to the post office?
= What are you going to the post office for?
= For what are you going to the post office?
(為什么你要去郵局?)
A: John, could you lend me twenty dollars?
(甲：約翰，你可以借我20元嗎?)
B：What for/Why?
(乙：為什么?)